In other words, there are twice as many industrial fishing vessels catching fish as the oceans can sustain.

RP Silvertip sharks they're actually three species of sharks here.

Diver 2 Uh, silvertip sharks.

Caviar is fish eggs.

Áslat Holmberg, fisherman and politician.

The Percidae are a family of perciform fish found in fresh and brackish waters of the Northern Hemisphere.

Barbara Block Tagging tuna in the deep ocean

Swimming With Sharks in Mexico

He was saying to me, Over there you've got sharks.

Some are benthic, but most are pelagic.

These are large, up to in length (though most only reach about half that length), predatory fish inhabiting the waters of the continental shelf and upper continental slope, where they feed on small fish such as lanternfishes.

We also see sharks, much more regularly than I would have expected to.

And sunfish is one of the words for basking sharks.

Very unlikely, Joe would jump on a pristine coral reef, a virgin coral reef with lots of coral, sharks, crocodiles, manatees, groupers, turtles, etc.

By 1985, the annual take of angel shark on the central California coast had increased to more than 454 metric tons or an estimated 90,000 sharks.

The ocean contains 97 of the Earth's water, and oceanographers have stated that only 5 of the World Ocean has been explored.

We have more sharks, more biomass of snappers, more biomass of herbivores, too, like these parrot fish that are like marine goats.

The swordfish fishery was closed and the tuna fishery subject to time area closures due to high levels of sea turtle and sea bird bycatch.

There are emerging technologies throughout the field around oceanography, which we will incorporate into oceanography, and through that convergence, we will transform oceanography into something even more magical.

The ocean tides are magnified by other effects frictional coupling of water to Earth's rotation through the ocean floors, the inertia of water's movement, ocean basins that get shallower near land, and oscillations between different ocean basins.

Oceans and the law of the sea

Oceans and the law of the sea

(a) Oceans and the law of the sea

I also wanted to focus on the shark fishing industry because, currently on planet Earth, we're killing over 100 million sharks every single year.

I think this means basically that they're all sharks and they've come from a common ancestry.

Well one obvious source is dead sharks, Dead sharks washed up.

Another example Nassau groupers in Belize in the Mesoamerican Reef.

Many species of sharks and rays inhabit the surrounding body of water.

In sharks, it protects their eyes while the shark strikes at its prey.

Fish of this family are commonly seen gulping at air at the surface of the water.

They have no teeth and generally feed on algae and invertebrates.

Robert Ballard on exploring the oceans

for me, it's ocean acidification.

61 222. Oceans and the law of the sea

62 215. Oceans and the law of the sea

58 240. Oceans and the law of the sea

59 24. Oceans and the law of the sea

60 30. Oceans and the law of the sea

55 7. Oceans and the law of the sea

56 12. Oceans and the law of the sea

57 141. Oceans and the law of the sea

They are especially important in oceans, where they are estimated to contribute up to 45 of the total oceanic primary production.

You can only rarely be in the right place to find sharks into August.

Red fishes for Nowruz, by Parmida Rahimi on Flickr (CC BY)

Horse mackerel is used by the industrial fishery as feed for animals that are exported abroad as meat.